package com.atguigu.gulimall.auth.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.utils.HttpUtils;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.auth.fegin.MemberFeginService;

import com.atguigu.common.vo.MemberRespVO;
import com.atguigu.gulimall.auth.vo.SocialUser;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.Map;

/**
 * @ClassName OAuth2Controller
 * @Description TODO
 * @Author 13290
 * @Date 2022/12/21 13:21
 **/
@Slf4j
@Controller
public class OAuth2Controller {
    @Autowired
    private MemberFeginService memberFeignService;


    @GetMapping(value = "/oauth2.0/weibo/success")
    public String weibo(@RequestParam("code") String code, HttpSession session, HttpServletResponse servletResponse) throws Exception {

        Map<String, String> map = new HashMap<>();
        map.put("client_id", "2077705774");
        map.put("client_secret", "40af02bd1c7e435ba6a6e9cd3bf799fd");
        map.put("grant_type", "authorization_code");
        map.put("redirect_uri", "http://auth.gulimall.com/oauth2.0/weibo/success");
        map.put("code", code);

        //1、根据用户授权返回的code换取access_token
        HttpResponse response = HttpUtils.doPost("https://api.weibo.com", "/oauth2/access_token", "post", new HashMap<>(), map, new HashMap<>());

        if (response.getStatusLine().getStatusCode() == 200) {
            //获取到了accesstoken
            String json = EntityUtils.toString(response.getEntity());
            //将json字符串转换为实体类
            SocialUser socialUser = JSON.parseObject(json, SocialUser.class);

            //知道当前是那个社交用户
            //1.当前登录用户 如果是第一次登录 则完成注册 生成会员信息账号
            R r = memberFeignService.authLogin(socialUser);
            if (r.getCode() == 0){
                MemberRespVO data = r.getData("data", new TypeReference<MemberRespVO>() {
                });
                log.info("登陆成功,用户信息为{}:" + data);
                //1.第一次使用session:命令浏览器保存卡号,JSESSIONID这个cookie
                //以后浏览器访问哪个网站的cookie
                //子域之间:gulimall.com  auth.gulimall.com  order.gulimall.com
                //发卡的时候(指定域名为父域名),即使是子域系统发的卡 (cookie)  也可以让父域得到
                //TODO 默认发的令牌 session=dhalkfjhdk 作用域: 当前域 (解决子域session共享问题) 可以使用JSON的序列化方式序列化对象 设置到redis里面
                session.setAttribute(AuthServerConstant.LOGIN_USER,data);
                //servletResponse.addCookie(new Cookie("JSESSIONID",data.getId().toString()));
                //2.登陆成功 返回首页
                return "redirect:http://localhost:11111";
            }else {
                return "redirect:http://auth.localhost:11111/login.html";
            }
        } else {
            return "redirect:http://auth.localhost:11111/login.html";
        }
    }
}
